Schaffner Group
User and Installation Manual
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Table 5 FN 3471 filter selection table for models with circuit breaker
Filter
Rated
load
power
@
400V
/50 Hz
Motor
drive
input
cur-
rent*
Rated
filter
input
cur-
rent
Re-
quired
Ldc
for 5%
THDi**
Typi-
cal
power
losses
@
40°C
Circuit
breaker
rated
current
Weight Ter-
minal
Frame
size
[kW]
[Arms] [Arms] [mH]
[W]
[A]
[kg]
FN 3471-250-99-
E0XXSXX
250
435
376
0.082
1974
250
240
Bus-
bar
S08
FN 3471-315-99-
E0XXSXX
315
655
475
0.065
2226
250
270
Bus-
bar
S08
FN 3471-355-99-
E0XXSXX
355
727
538
0.058
2346
300
292
Bus-
bar
S08
FN 3471-400-99-
E0XXSXX
400
808
608
0.051
3501
400
362
Bus-
bar
L08
FN 3471-500-99-
E0XXSXX
500
985
766
0.041
3195
400
410
Bus-
bar
L08
*Motor drive input current without filter.
**FN 3471 filters can be applied for drives with and without Ldc. 8% THDi (@ rated power) is achieved when
FN3471 is applied to drives without Ldc, while 5% THDi (@rated power) is achieved when there is a 4% Ldc pre-
sent in the drive.
Table 6 FN 3471 filter selection table for models with trap disconnect jumper
Filter
Rated
load
power
@
400V
/50 Hz
Motor
drive
input
cur-
rent*
Rated
filter
input
cur-
rent
Re-
quired
Ldc for
5%
THDi**
Typical
power
losses
@ 40°C
Weight
Termi-
nal
Frame
size
[kW]
[Arms]
[Arms]
[mH]
[W]
[kg]
FN 3471-250-99-
E0XXJXX
250
435
376
0.082
1974
240
Busbar
S08
FN 3471-315-99-
E0XXJXX
315
655
475
0.065
2226
270
Busbar
S08
FN 3471-355-99-
E0XXJXX
355
727
538
0.058
2346
292
Busbar
S08
FN 3471-400-99-
E0XXJXX
400
808
608
0.051
3501
362
Busbar
L08
FN 3471-500-99-
E0XXJXX
500
985
766
0.041
3195
410
Busbar
L08
*Motor drive input current without filter.
**FN 3471 filters can be applied for drives with and without Ldc. 8% THDi (@ rated power) is achieved when
FN3471 is applied to drives without Ldc, while 5% THDi (@rated power) is achieved when there is a 4% Ldc pre-
sent in the drive.